Chm 103 exams Study guides, Class notes & Summaries

The rusting of a Nail is both a chemical and a physical change. True False correct answersTrue A rock on Mars would have the same mass if taken back to Earth. True False correct answersTrue The chemical symbol for gold is Ag. True False correct answersFalse In the Color Scheme of chemistry, Hydrogen atoms are depicted as white and Oxygen atoms are depicted as red. True False correct answersTrue 6 moles of Nitrogen has more mass than 2 moles of Copper